2007•Journal of Shaanxi Normal UniversityRequires access
Black liquor of papermaking of circular utilization
DU Jing-wu
Open publisher page 0 citations
Abstract
The wastewater of papermaking was regarded as researching object.The wastewater was disposed by several flocculants,and COD value was lowered from 11 000 mg/L to 1750 mg/L.Then method of oxidization was used, COD value was lowered 166 mg/L.The wastewater was disposed and used as water of paper pulp.Wastewater of papermaking was used circularly and was not exhausted.